#ifndef __MY_STRUCT_H__
#define __MY_STRUCT_H__

#include<stdio.h>


typedef struct StructType {
    int type;
}struct_type;

typedef struct StructType1{
    int type;
    int data;
}struct_type1;

typedef struct StructType2{
    int type;
    void(*func)(void);
}struct_type2;


extern void test1();

#endif
